4189880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 10260000

約数和(自身を除く): 6070120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 149, 152, 185, 190, 296, 298, 370, 380, 596, 703, 740, 745, 760, 1192, 1406, 1480, 1490, 2812, 2831, 2980, 3515, 5513, 5624, 5662, 5960, 7030, 11026, 11324, 14060, 14155, 22052, 22648, 27565, 28120, 28310, 44104, 55130, 56620, 104747, 110260, 113240, 209494, 220520, 418988, 523735, 837976, 1047470, 2094940, 4189880]

約数ペア:

[(1, 4189880), (2, 2094940), (4, 1047470), (5, 837976), (8, 523735), (10, 418988), (19, 220520), (20, 209494), (37, 113240), (38, 110260), (40, 104747), (74, 56620), (76, 55130), (95, 44104), (148, 28310), (149, 28120), (152, 27565), (185, 22648), (190, 22052), (296, 14155), (298, 14060), (370, 11324), (380, 11026), (596, 7030), (703, 5960), (740, 5662), (745, 5624), (760, 5513), (1192, 3515), (1406, 2980), (1480, 2831), (1490, 2812)]